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MT-SCBF- Limiting Width-to-Thickness Ratios - Table D1.1

Thread starter jechols
Start date Dec 25, 2018

Status: Not open for further replies.

Dec 25, 2018

jechols

Structural

I have several MT-SCBFs I am designing the connections for. I have determined several of the members do not meet the requirements of D1.1 for b/t ratios. My question is when do the webs of beams, columns, and/or struts have to meet the h/tw limiting ratio? Depending of the axial load, several more members might not meet this requirement. What I am mainly struggling with is "Where used in beams, columns, or links, as webs in flexure, or combined axial and flexure:". What does this mean exactly? I only have to check this in moment frames? Also, half of the frame columns have wind girts framing into them. So they have flexure perpendicular to frame. Does this qualify?

AISC 341-16
Eastern United States